Structure and magnetic properties of nitrides R3Fe29-xCrxN4
文献类型：期刊论文
| 作者 | Han XF ; Zan YD ; Wang QY ; Wang J ; Yang FM ; Ma L |
| 刊名 | acta physica sinica-overseas edition
 |
| 出版日期 | 1998 |
| 卷号 | 7期号:1页码:38-46 |
| 关键词 | X=H SM |
| ISSN号 | 1004-423x |
| 通讯作者 | han xf,acad sinica,inst semicond,ctr mat sci,pob 912,beijing 100083,peoples r china. |
| 中文摘要 | a systematic investigation of nitrides r3f29-xcrxn4 (r = y, ce, nd, sm, gd, tb, and dy) has been performed. the nitrogen concentration in the nitride r3fe29-xcrxny was determined to be y = 4. nitrogenation leads to a relative volume expansion of about 5.3%. the lattice constants and unit cell volume decrease with increasing rare earth atomic number from nd to dy, reflecting the lanthanide contraction. in average, the increase of curie temperature upon nitrogenation is about 200 k, compared with its parent compound. the nitrogenation also results in a remarkable improvement in the saturation magnetization and anisotropy fields for r3fe29-x crxn4 at 4.2 k and room temperature, compared with their parent compounds. a spin reorientation of nd3fe24.5cr4.5n4 occurs at around 368 k, which is 138 k higher than that of nd3f24.5cr4.5. magnetohistory effects of r3fe29-xcrxn4 (r = nd and sm) are observed in a low field of 0.04 t. first-order magnetization process occurs in sm3fe24.0cr5.0n4 in magnetic fields of around 3.0 t at 4.2 k. after nitrogenation the easy magnetization direction of sm3fe24.0c5.0 is changed from the easy-cone structure to the uniaxial. the excellent intrinsic magnetic properties of sm3fe24.0cr5.0n4 make this compound a hopeful candidate for new high-performance permanent magnets. |
| 学科主题 | 半导体物理 |
| 收录类别 | SCI |
| 语种 | 英语 |
| 公开日期 | 2010-08-12 |
| 源URL | [http://ir.semi.ac.cn/handle/172111/13300]  |
| 专题 | 半导体研究所_中国科学院半导体研究所（2009年前） |
| 推荐引用方式 GB/T 7714 | Han XF,Zan YD,Wang QY,et al. Structure and magnetic properties of nitrides R3Fe29-xCrxN4[J]. acta physica sinica-overseas edition,1998,7(1):38-46. |
| APA | Han XF,Zan YD,Wang QY,Wang J,Yang FM,&Ma L.(1998).Structure and magnetic properties of nitrides R3Fe29-xCrxN4.acta physica sinica-overseas edition,7(1),38-46. |
| MLA | Han XF,et al."Structure and magnetic properties of nitrides R3Fe29-xCrxN4".acta physica sinica-overseas edition 7.1(1998):38-46. |
入库方式： OAI收割
来源：半导体研究所
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